25706113 has 4 divisors (see below), whose sum is σ = 26191188. Its totient is φ = 25221040.

The previous prime is 25706101. The next prime is 25706129. The reversal of 25706113 is 31160752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15000129 + 10705984 = 3873^2 + 3272^2 .

It is a cyclic number.

It is not a de Polignac number, because 25706113 - 2⁹ = 25705601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25706413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242458 + ... + 242563.

It is an arithmetic number, because the mean of its divisors is an integer number (6547797).

Almost surely, 2^25706113 is an apocalyptic number.

It is an amenable number.

25706113 is a deficient number, since it is larger than the sum of its proper divisors (485075).

25706113 is an equidigital number, since it uses as much as digits as its factorization.

25706113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485074.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 25706113 is about 5070.1196238353. The cubic root of 25706113 is about 295.1291706658.

Adding to 25706113 its reverse (31160752), we get a palindrome (56866865).

The spelling of 25706113 in words is "twenty-five million, seven hundred six thousand, one hundred thirteen".